A technician, recently called me up to estimate storage capacity for Internet Caching. The technician, is a part of a team that will be responsible for setting up Internet Gateway for an ISP, in a small Middle-East country.

The technician had very limited numbers available, to do the necessary derivation. Thus he could phrase the question very simplistically - &quot;The ISP will be potentially serving 40,000 users. What should be the provisioned Data Storage Capacity, for content caching?&quot;